- Types:
- show 15 types...
- hide 15 types...
-
anapsid, anapsid reptile
primitive reptile having no opening in the temporal region of the skull; all extinct except turtles
-
diapsid, diapsid reptile
reptile having a pair of openings in the skull behind each eye
-
Diapsida, subclass Diapsida
used in former classifications to include all living reptiles except turtles; superseded by the two subclasses Lepidosauria and Archosauria
-
synapsid, synapsid reptile
extinct reptile having a single pair of lateral temporal openings in the skull
-
chelonian, chelonian reptile
a reptile of the order Chelonia
-
Sphenodon punctatum, tuatara
only extant member of the order Rhynchocephalia of large spiny lizard-like diapsid reptiles of coastal islands off New Zealand
-
saurian
any of various reptiles of the suborder Sauria which includes lizards; in former classifications included also the crocodiles and dinosaurs
-
archosaur, archosaurian, archosaurian reptile
extinct reptiles including: dinosaurs; plesiosaurs; pterosaurs; ichthyosaurs; thecodonts
-
crocodilian, crocodilian reptile
extant archosaurian reptile
-
protomammal, therapsid
probably warm-blooded; considered direct ancestor of mammals
-
ictodosaur
intermediate in form between the therapsids and most primitive true mammals
-
pelycosaur
large primitive reptile having a tall spinal sail; of the Permian or late Paleozoic in Europe and North America
-
edaphosaurus
heavy-bodied reptile with a dorsal sail or crest; of the late Paleozoic
-
dimetrodon
carnivorous dinosaur of the Permian in North America having a crest or dorsal sail
-
ophidian, serpent, snake
limbless scaly elongate reptile; some are venomous
